Home / 13,655.49-20,474.19-5,336.31

Finding the Fourth Proportional to 13,655.49, 20,474.19 and 5,336.31

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Solution

The fourth proportional to 13,655.49, 20,474.19 and 5,336.31 is: 8,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.49 : 20,474.19 = 5,336.31 : x
  2. Step 2: Convert to fraction form
    13,655.49/20,474.19 = 5,336.31/x
  3. Step 3: Cross multiply
    13,655.49x = 20,474.19 × 5,336.31
  4. Step 4: Simplify right side
    13,655.49x = 109,256,624.84
  5. Step 5: Solve for x
    x = 109,256,624.84/13,655.49
  6. Step 6: Final answer
    x = 8,000.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.